For radio control model ranges.

Understanding Aerofoil Data Focusing on the understanding and appraisal of aerofoil data. This comprehensive book will guide you through the concepts employed by designers in realising aerofoil performance.

What is a gearbox and how do gearboxes work? Dirk Juras confronts those questions and the whole subject of gearboxes for electric model aircraft including guidelines on how to choose and match your gearbox, propeller, installations and maintenance.